两个完全一样的正方形一定能拼成一个长方形.______.
两个完全一样的正方形一定能拼成一个长方形,长方形的长是正方形边长的2倍,宽就是正方形的边长;如:
故答案为:√.
— Catherine, I have cleaned the room for you .
— Thanks. You_______. I could manage it myself.
A.needn’t do
B.needn’t have done
C.mustn’t do
D.shouldn’t have done
还原靛蓝(非零售包装)